Commitments and Contingencies (Unrecorded Purchase Obligation) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014
Unrecorded Unconditional Purchase Obligation [Line Items]
Remainder of 2014	$ 1,039.8
2015	1,896.5
2016	1,413.6
2017	1,109.5
2018	789.9
2019	418.3
Thereafter	1,378.3
Total	8,045.9
Programming Commitments [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Remainder of 2014	245.6
2015	809.4
2016	724.0
2017	570.4
2018	488.8
2019	231.1
Thereafter	0
Total	3,069.3
Network and Connectivity Commitments [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Remainder of 2014	100.3
2015	334.0
2016	271.8
2017	247.4
2018	129.8
2019	93.0
Thereafter	1,093.6
Total	2,269.9
Purchase Commitments [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Remainder of 2014	514.6
2015	278.0
2016	94.8
2017	44.4
2018	10.8
2019	4.5
Thereafter	0
Total	947.1
Operating Leases [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Remainder of 2014	46.2
2015	156.2
2016	128.2
2017	104.7
2018	71.2
2019	54.2
Thereafter	249.7
Total	810.4
Other Commitments [Member]
Unrecorded Unconditional Purchase Obligation [Line Items]
Remainder of 2014	133.1
2015	318.9
2016	194.8
2017	142.6
2018	89.3
2019	35.5
Thereafter	35.0
Total	$ 949.2